US8148313B2 - Use of a mixture of non-ionic surfactants in cleansing compositions - Google Patents

Use of a mixture of non-ionic surfactants in cleansing compositions Download PDF

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Publication number
US8148313B2
US8148313B2 US12/867,010 US86701009A US8148313B2 US 8148313 B2 US8148313 B2 US 8148313B2 US 86701009 A US86701009 A US 86701009A US 8148313 B2 US8148313 B2 US 8148313B2
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carbon atoms
mixture
alkyl
radical
independently
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US20100323948A1 (en
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Teresa Alexandre
Hans-Christian Raths
Manfred Weuthen
Sabine Both
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Cognis IP Management GmbH
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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/825—Mixtures of compounds all of which are non-ionic
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • C11D1/721—End blocked ethers

Definitions

  • the present invention relates to the use of selected surface-active substances, alone or in combination, for use in cleaning agents and in particular in dishwashing agents for automatic dishwashing.
  • the cleaning of hard surfaces and in particular the washing of dishes places particular requirements on the cleaners used. This is true especially for machine dishwashing.
  • the three components of the machine system are cleaner, rinse aid and regenerating salt for softening the water.
  • the central tasks of the cleaner main constituent are soil release, soil dispersion, the binding of residual water hardness and corrosion inhibition.
  • An important parameter for dishwashing is the clear-rinse performance.
  • the deposits are essentially mineral compounds, in particular Ca and/or Mg salts, but also surfactant residues. Primarily, however, lime leads to the deposits undesired for the user.
  • customary dishwashing agents In order to reduce the fraction of these deposits, customary dishwashing agents, especially those for automatic dishwashing, generally comprise so-called rinse aids.
  • Standard commercial rinse aids are usually mixtures of weakly foaming nonionic surfactants, typically fatty alcohol polyethylene/polypropylene glycol ethers, solubility promoters (e.g. cumene sulfonate), organic acids (e.g. citric acid) and solvents (e.g. ethanol).
  • the aim of these agents is to influence the interfacial tension of the water in such a way that it can run off the ware in the thinnest possible coherent film such that no water drops, streaks or films are left behind during the subsequent drying operation.
  • a distinction is made between two types of deposits.
  • combination products have increasingly been used; these combine the different functions, such as cleaning, clear rinsing, water softening and optionally metal protection, in particular silver protection, or a glass protection functions in a, preferably solid, supply form.
  • Such agents are referred to as multifunctional agents.
  • so-called 3-in-1 products which combine cleaner, rinse aid and water softener in the form of a solid compact (“tab”) are found on the market.
  • tab solid compact
  • drying performance has become worse compared to using a classic rinse aid. Drying performance is to be understood here as meaning to what extent the cleaned ware still has water, preferably water drops, on the surface after passing through the dishwashing process.
  • EP 1 306 423 A2 discloses aqueous cleaning agents which comprise alkyl ether sulfates and amphoteric glycine compounds and are suitable for improving the drying behavior of dishwashing agents.
  • DE 100 45 289 A1 describes hand dishwashing agents which comprise certain quaternary ammonium compounds and alkyl ether sulfates alongside one another and likewise exhibit particularly good drying behavior.
  • additives for cleaning agents must not adversely affect the washing performance, and in particular the clear-rinse performance, of the cleaners. In an ideal case, an addition should even improve the performance of the cleaner overall.
  • the present invention therefore provides, in a first embodiment, mixtures comprising at least two different surface-active substances from the groups a) and b), where the surface-active compound a) is selected from compounds which follow the general formula (Ia):
  • M is a radical CH 2 —CH 2 or CHR—CH 2
  • R, R′ and R′′ independently of one another, are saturated, unsaturated, linear or branched alkyl or alkenyl radicals having 6 to 22 carbon atoms
  • the indices n and m independently of one another, can assume values between 1 and 40, and/or follow compounds of the general formula (Ib)
  • R′′′ and R′′′′ independently of one another, are saturated, unsaturated, linear or branched alkyl or alkenyl radicals having 4 to 22 carbon atoms
  • the indices n and m independently of one another, can assume values between 1 and 40
  • X′ and X′′ independently of one another, are H or saturated, unsaturated, linear or branched alkyl or alkenyl radicals having 1 to 18 carbon atoms
  • the component b) is selected from b1) compounds of the general formula (II) R 1 O[CH 2 CH 2 O] x CH 2 CH(OM)R 2 (II) in which R 1 is a linear or branched alkyl and/or alkenyl radical having 4 to 22 carbon atoms, or is a radical R 2 —CH(OH)CH 2 , where R 2 is a linear or branched alkyl and/or alkenyl radical having 8 to 16 carbon atoms, x is a number from 20 to 80, preferably from 40 to
  • EP 1 645 618 A1 by the applicant already discloses mixtures of hydroxy mixed ethers according to the formulae (II) and (III) with polyol hydroxyalkyl ethers and use thereof in dishwashing agents.
  • these mixtures relate to different components of type a) compared to the present application.
  • the described mixtures comprise at least one component selected from compounds of the formulae (Ia) or (Ib), and at least one compounds selected from compounds of the formulae (II) or (III).
  • the compounds of the formulae (Ia), (Ib), (II) and (III) are chemical compounds known to the person skilled in the art.
  • the mixtures according to the invention obligatorily comprise compounds of type a). These are compounds of the above formulae (Ia) and/or (Ib), where certain structures are preferred. Preference is given in particular to compounds according to the general formula (Ia), when M is a CH 2 —CRH group, R is a linear, saturated alkyl radical having 8 to 16, preferably 8 to 12 and in particular 8 to 10 carbon atoms, and R′ and R′′ is in each case independently of the other a linear, saturated alkyl radical having 10 to 16, preferably 10 to 14 carbon atoms, and n and m, independently of one another, can have values from 20 to 30.
  • Such compounds can be obtained for example by reacting alkyldiols, HO—CHR—CH 2 —OH, with ethylene oxide, in which case a reaction with an alkyl epoxide subsequently takes place to close the free OH functions, resulting in a dihydroxy ether.
  • X′ and X′′ ⁇ H and in the formula (Ib) the indices n and m, independently of one another, can assume values from 1 to 40, but preferably from 1 to 15.
  • Particular preference is given here to compounds of the formula (Ib) in which the radicals R′′′ or R′′′, independently of one another, are saturated alkyl radical having 4 to 14 carbon atoms, and the indices n and m, independently of one another, assume values from 1 to 15 and in particular from 1 to 12.
  • a radical R′′′ or R′′′′ is branched.
  • compounds of the formula (Ib) in which the indices n and m are even-numbered and have values in the range from 8 to 12 are preferred.
  • the second component of the mixtures are compounds of the formulae (II) or (III), which can be referred to as hydroxy mixed ethers.
  • Hydroxy mixed ethers (abbreviated hereinbelow as HME) follow the broad general formula R′O[AO] x CH 2 CH(OM)R′′ in which R′ is a linear or branched alkyl and/or alkenyl radical having 4 to 22 carbon atoms, R′′ is a linear or branched alkyl and/or alkenyl radical having 2 to 22 carbon atoms, x is 10 to 80, and AO symbolizes an ethylene oxide, propylene oxide and/or butylene oxide radical, and M may be a hydrogen atom or an alkyl or alkenyl radical.
  • hydroxy mixed ethers are known in the literature and are described for example in the German application DE 19738866. They are prepared for example by reacting 1,2-epoxyalkanes (R′′CHOCH 2 ), where R′′ is an alkyl and/or alkenyl radical having 2 to 22, in particular 6 to 16, carbon atoms, with alkoxylated alcohols.
  • hydroxy mixed ethers which are derived from alkoxylates of monohydric alcohols of the formula R′—OH having 4 to 18 carbon atoms, where R′ is an aliphatic, saturated, straight-chain or branched alkyl radical, in particular having 6 to 16 carbon atoms.
  • Suitable straight-chain alcohols are butanol-1, caproic, oenanthic, caprylic, pelargonic, capric alcohol, undecanol-1, lauryl alcohol, tridecanol-1, myristyl alcohol, pentadecanol-1, palmityl alcohol, heptadecanol-1, stearyl alcohol, nonadecanol-1, arachidyl alcohol, heneicosanol-1, behenyl alcohol, and technical-grade mixtures thereof, as are produced in the high-pressure hydrogenation of technical-grade methyl esters based on fats and oils.
  • branched alcohols examples include so-called oxo alcohols, which mostly carry 2 to 4 methyl groups as branches and are prepared by the oxo process, and so-called Guerbet alcohols, which are branched in the 2-position with an alkyl group.
  • Suitable Guerbet alcohols are 2-ethylhexanol, 2-butyloctanol, 2-hexyldecanol and/or 2-octyldodecanol.
  • the alcohols are used in the form of their alkoxylates, which are prepared by reacting the alcohols with ethylene oxide in a known manner.
  • R 1 is a linear or branched alkyl and/or alkenyl radical having 4 to 22 carbon atoms, or is a radical R 2 —CH(OH)CH 2 , where R 2 is a linear or branched alkyl and/or alkenyl radical having 8 to 16 carbon atoms, x is a number from 40 to 80, and M is a hydrogen atom or a saturated alkyl radical having 1 to 18 carbon atoms.
  • hydroxy mixed ethers which are derived from ethoxylates of monohydric alcohols of the formula R 1 —OH having 6 to 18 carbon atoms, preferably 6 to 16 and in particular 8 to 10 carbon atoms, where R 1 is a linear alkyl radical and x is 40 to 60.
  • R 1 is a linear alkyl radical and x is 40 to 60.
  • M is here then a hydrogen atom.
  • R 1 is an alkyl radical having 8 to 10 carbon atoms, in particular based on a native fatty alcohol
  • R 2 is an alkyl radical having 10 carbon atoms, in particular a linear alkyl radical and x is 40 to 60.
  • R′ is a saturated alkyl radical having 8 to 12, preferably 8 to 10, carbon atoms
  • R′′ is an alkyl radical having 8 to 12, preferably 8 to 10, carbon atoms.
  • the index x can have values from 20 to 80, preferably from 30 to 60 and in particular from 40 to 50, where in general preference is given to those compounds in which the index x is greater than 40.
  • the compounds of type b2) follow the formula (III) R 3 O[CH 2 CHCH 3 O] z [CH 2 CH 2 O] y CH 2 CH(OH)R 4 (III) in which R 3 is a linear or branched alkyl and/or alkenyl radical having 8 to 22 carbon atoms, R 4 is a linear or branched alkyl and/or alkenyl radical having 8 to 16 carbon atoms, y is a number from 10 and 35, z is zero or must be a number from 1 to 5. It may be advantageous that, if R 3 ⁇ R 1 and simultaneously R 4 ⁇ R 2 , those compounds of the formula b2) are selected in which the index z is at least 1.
  • Particularly preferred compounds of type b2) are, for example, those in which, in the formula (III), the index y is a number from 20 to 30, preferably from 20 to 25.
  • R 3 represents an alkyl radical having 8 to 12, preferably 8 to 10, carbon atoms
  • R 4 is an alkyl radical having 10 to 12, preferably having 10 carbon atoms
  • y is a number from 15 to 35, preferably 20 to 30, and
  • z is a number from 1 to 3, preferably 1.
  • mixtures which comprise, as surface-active compound of type b2), a compound according to the general formula (III) in which R 3 is an alkyl and/or alkenyl radical having 9 to 18 carbon atoms, and R 4 is an alkyl or alkenyl radical having 8 to 10 carbon atoms and y is a number from 20 to 35.
  • the compounds of type b2) are likewise hydroxy mixed ether derivatives which can be prepared by reacting propoxylated and/or ethoxylated fatty alcohols with alkyl epoxides by ring-opening in an alkaline medium.
  • the values are average values since differently alkoxylated derivatives are present alongside one another as a result of the preparation.
  • the number of alkyoxide groups can therefore also be odd-numbered.
  • R′ and R′′ independently of one another, are a saturated alkyl radical having 8 to 12, preferably 8 to 10, carbon atoms.
  • the present invention now makes use of the finding that the presence of selected HME (type b)), or of derivatives thereof, in combination with structurally different surface-active compounds of type a) can have advantageous properties with regard to the drying performance and/or the clear-rinse performance of cleaner formulations for hard surfaces and in particular of dishwashing agents.
  • Particularly preferred mixtures within the context of the present technical teaching relate to combinations of the compounds according to the formulae (Ia) and/or (Ib) with compounds according to the formula (III).
  • Fatty alcohols are to be understood as meaning primary aliphatic alcohols of the formula R—OH, in which R is an aliphatic, linear or branched hydrocarbon radical having 6 to 22 carbon atoms and 0 and/or 1, 2 or 3 double bonds.
  • R is an aliphatic, linear or branched hydrocarbon radical having 6 to 22 carbon atoms and 0 and/or 1, 2 or 3 double bonds.
  • Typical examples are caproic alcohol, caprylic alcohol, 2-ethylhexyl alcohol, capric alcohol, lauryl alcohol, isotridecyl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, elaidyl alcohol, petroselinyl alcohol, linolyl alcohol, linolenyl alcohol, elaeostearyl alcohol, arachyl alcohol, gadoleyl alcohol, behenyl alcohol, erucyl alcohol and
  • the compounds of type a) and b) are preferably present in a weight ratio of from 10:1 to 1:10 alongside one another in the mixtures within the context of the invention. However, preference here may be given to those mixtures in which the surface-active compounds of type a) and b) are present in the weight ratio of from 5:1 to 1:5, in particular of from 3:1 to 1:3 and particularly preferably of from 2:1 to 1:2 and very particularly preferably of 1:1 alongside one another.
  • the compounds of type b1) and/or b2) can—as already explained above—also be present alongside one another in any desired mixtures. Preferably, however, the mixtures consist only of one compound of type a) and one compound of type b).
  • the mixtures described above are preferably suitable for use in cleaning agents, in particular in dishwashing agents and in particular in agents for automatic dishwashing.
  • the mixtures can be used for improving the drying performance of cleaning agents and in particular for dishwashing agents, preferably for dishwashing agents for machine dishwashing.
  • a further preferred use relates to the use of the mixtures in multifunctional solid dishwashing agents for automatic dishwashing.
  • the improvement in drying refers in particular to surfaces made of plastic.
  • agents are claimed which comprise 0.1 to 15% by weight of the mixtures according to the invention, and also further ingredients customary in cleaning agents and preferably dishwashing agents.
  • the cleaning agents comprise the mixtures according to the invention in amounts of from 0.1 to 12% by weight, where advantageously 1 to 10% by weight and in particular amounts of from 1.0 to 8% by weight are present. Particular preference is given to the range from 2.0 to 8.0% by weight.
  • the customary ingredients of the agents according to the invention within the context of the above description may be for example further nonionic, anionic and/or cationic surfactants, builders, enzymes, bleaches, such as e.g. percarbonates.
  • agents can comprise silicates, phosphorus compounds, carbonates, but also specific rinse aids and other known and customary auxiliaries and additives, e.g. pH regulators or enzymes.
  • solvents such as water or lower aliphatic alcohols, preferably ethanol or propanol, solubilizers, polymers or organic acids, preferably citric acid and derivatives thereof.
  • the cleaning agents may either be liquid or solid, for example in the form of granules, powders or tablets.
  • Liquid cleaning agents can also comprise viscosity formers in order to obtain e.g. gel-like agents.
  • cleaning agents for machine dishwashing are present in solid form, thus e.g. as powders or granules or as moldings, preferably in tablet form.
  • two or more phases to be present alongside one another, for example a compacted tablet which comprises, in an indentation, a noncompacted part, e.g. a wax-like rinse aid phase.
  • Such multifunctional agents are marketed as 2-in-1 or else 3-in-1 products.
  • the preparation takes place in any manner known to the person skilled in the art, where, in one preferred embodiment, the mixtures according to the invention are present as compound and are preferably mixed with the other ingredients in any desired order. However, it is also possible to mix the surfactants of type a) and b) individually with the other ingredients and, for example, then to compact or to granulate this mixture to give the finished agent.
  • the present application further provides the use of compounds of the general formulae (Ia) and/or (Ib) without the aforementioned HME in cleaning agents, preferably dishwashing agents and particularly preferably in dishwashing agents for automatic dishwashing.
  • the compounds according to the formulae (Ia) and/or (Ib) can also develop advantageous effect in a cleaning agent without co-use of the HME referred to above, here in particular with regard to improved drying behavior of the washed articles, and preferably those articles which have plastic surfaces or consist of plastics.
  • Three mixtures (1:1 w/w) of compounds according to the general formulae (Ia) and (Ib) with a propoxylated hydroxy mixed ether according to the general formula (III) were prepared.
  • the surfactants of group a) used were: C10-alkyldiol 40 EO di-2-hydroxyhexadecyl ether for mixture A; butyl glycol isotridecyl alcohol 9EO-formal for mixture B; di-C8/C10-alkyl-11 EO-formal for mixture C.
  • the hydroxy mixed ether of type b2) used in each case was a C8/C10-alkyl 1EO 22EO hydroxy-C10-alkyl ether.
  • the results were attained by comparing the water drops remaining on a plastic surface after passing through the wash process.
  • the standard formulation is composed of 2% by weight of a C8/C10-alkyl 1EO 22EO hydroxy-C10-alkyl ether, 1% by weight of a polymer, 7% by weight of sodium silicate, 52% by weight of sodium triphosphate, 2.5% by weight of TAED, 27.5% by weight of sodium carbonate and 8% by weight of sodium percarbonate.
  • the agents which comprised the mixtures A to C exhibited a reduction in the number of drops on plastic by 1 to 3.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
US12/867,010 2008-02-14 2009-02-06 Use of a mixture of non-ionic surfactants in cleansing compositions Expired - Fee Related US8148313B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102008009366.1 2008-02-14
DE102008009366 2008-02-14
DE102008009366A DE102008009366A1 (de) 2008-02-14 2008-02-14 Verwendung oberflächenaktiver Substanzen in Reinigungsmitteln
PCT/EP2009/000823 WO2009100855A2 (de) 2008-02-14 2009-02-06 Verwendung oberflächenaktiver substanzen in reinigungsmitteln

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US20100323948A1 US20100323948A1 (en) 2010-12-23
US8148313B2 true US8148313B2 (en) 2012-04-03

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US (1) US8148313B2 (zh)
EP (2) EP2267110B1 (zh)
CN (1) CN101945986B (zh)
AT (1) ATE523582T1 (zh)
AU (1) AU2009214382A1 (zh)
CA (1) CA2713335A1 (zh)
DE (1) DE102008009366A1 (zh)
ES (2) ES2400791T3 (zh)
PL (1) PL2240562T3 (zh)
WO (1) WO2009100855A2 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9234161B2 (en) 2012-12-17 2016-01-12 Henkel Ag & Co. Kgaa Surfactant combination for improved drying

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
GB201104244D0 (en) 2011-03-14 2011-04-27 Reckitt Benckiser Nv Detergent composition with improved drying performance
DE102011086639A1 (de) 2011-11-18 2013-05-23 Henkel Ag & Co. Kgaa Nichtionische Tenside als Soil-Release-Wirkstoffe
WO2017182305A1 (en) * 2016-04-18 2017-10-26 Basf Se Method for cleaning hard surfaces, and formulations useful for said method

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EP1254948A1 (de) 2001-05-04 2002-11-06 Cognis Deutschland GmbH & Co. KG Geminitenside
EP1254947A1 (de) 2001-05-04 2002-11-06 Cognis Deutschland GmbH & Co. KG Geminitenside
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EP1306423A2 (de) 2001-10-26 2003-05-02 Goldschmidt AG Wässriges tensidhaltiges Reinigungsmittel mit verbessertem Trocknungsverhalten für die Reinigung harter Oberflächen, insbesondere von Geschirr
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WO1996000253A1 (en) 1994-06-23 1996-01-04 The Dow Chemical Company A surface active composition containing an acetal or ketal adduct
US5880089A (en) 1994-09-12 1999-03-09 Ecolab Inc. Rinse aid for plasticware
DE19738866A1 (de) 1997-09-05 1999-03-11 Henkel Kgaa Schaumarme Tensidmischungen mit Hydroxymischethern
DE10045289A1 (de) 2000-09-13 2002-03-28 Henkel Kgaa Schnell trocknendes Wasch- und Reinigungsmittel, insbesondere Handgeschirrspülmittel
EP1254948A1 (de) 2001-05-04 2002-11-06 Cognis Deutschland GmbH & Co. KG Geminitenside
EP1254947A1 (de) 2001-05-04 2002-11-06 Cognis Deutschland GmbH & Co. KG Geminitenside
EP1288281A2 (de) 2001-08-07 2003-03-05 Cognis Deutschland GmbH & Co. KG Geminitenside und Polyethylenglycol
EP1306423A2 (de) 2001-10-26 2003-05-02 Goldschmidt AG Wässriges tensidhaltiges Reinigungsmittel mit verbessertem Trocknungsverhalten für die Reinigung harter Oberflächen, insbesondere von Geschirr
EP1321511A2 (de) 2001-12-18 2003-06-25 Cognis Deutschland GmbH & Co. KG Mischungen aus Geminitensiden und Fettalkoholalkoxylaten in Klarspülmitteln
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EP1764408A1 (de) 2005-09-14 2007-03-21 Cognis IP Management GmbH Mischung oberflächenaktiver Substanzen zur Verwendung in Reinigungsmitteln
US20080139438A1 (en) * 2006-09-05 2008-06-12 Corinna Boehme Long-Chain Fatty Alcohol Alkoxylates in Cleaning Preparations

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9234161B2 (en) 2012-12-17 2016-01-12 Henkel Ag & Co. Kgaa Surfactant combination for improved drying

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CN101945986B (zh) 2012-10-10
ES2373084T3 (es) 2012-01-31
CA2713335A1 (en) 2009-08-20
EP2240562B1 (de) 2011-09-07
DE102008009366A1 (de) 2009-08-20
EP2240562A2 (de) 2010-10-20
AU2009214382A1 (en) 2009-08-20
EP2267110A3 (de) 2011-04-27
EP2267110B1 (de) 2012-11-28
CN101945986A (zh) 2011-01-12
EP2267110A2 (de) 2010-12-29
PL2240562T3 (pl) 2012-02-29
WO2009100855A3 (de) 2009-10-08
ES2400791T3 (es) 2013-04-12
US20100323948A1 (en) 2010-12-23
ATE523582T1 (de) 2011-09-15
WO2009100855A2 (de) 2009-08-20

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